1 files changed, 119 insertions, 0 deletions
diff --git a/indra/llcommon/llthreadlocalstorage.cpp b/indra/llcommon/llthreadlocalstorage.cpp
new file mode 100644
index 0000000000..8cef05caac
--- /dev/null
+++ b/indra/llcommon/llthreadlocalstorage.cpp
@@ -0,0 +1,119 @@
+/** 
+ * @file llthreadlocalstorage.cpp
+ * @author Richard
+ * @date 2013-1-11
+ * @brief implementation of thread local storage utility classes
+ *
+ * $LicenseInfo:firstyear=2013&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llthreadlocalstorage.h"
+#include "llapr.h"
+
+//
+//LLThreadLocalPointerBase
+//
+bool LLThreadLocalPointerBase::sInitialized = false;
+
+void LLThreadLocalPointerBase::set( void* value )
+{
+	llassert(sInitialized && mThreadKey);
+
+	apr_status_t result = apr_threadkey_private_set((void*)value, mThreadKey);
+	if (result != APR_SUCCESS)
+	{
+		ll_apr_warn_status(result);
+		LL_ERRS() << "Failed to set thread local data" << LL_ENDL;
+	}
+}
+
+void* LLThreadLocalPointerBase::get() const
+{
+	// llassert(sInitialized);
+	void* ptr;
+	apr_status_t result =
+		apr_threadkey_private_get(&ptr, mThreadKey);
+	if (result != APR_SUCCESS)
+	{
+		ll_apr_warn_status(result);
+		LL_ERRS() << "Failed to get thread local data" << LL_ENDL;
+	}
+	return ptr;
+}
+
+
+void LLThreadLocalPointerBase::initStorage( )
+{
+	apr_status_t result = apr_threadkey_private_create(&mThreadKey, NULL, gAPRPoolp);
+	if (result != APR_SUCCESS)
+	{
+		ll_apr_warn_status(result);
+		LL_ERRS() << "Failed to allocate thread local data" << LL_ENDL;
+	}
+}
+
+void LLThreadLocalPointerBase::destroyStorage()
+{
+	if (sInitialized)
+	{
+		if (mThreadKey)
+		{
+			apr_status_t result = apr_threadkey_private_delete(mThreadKey);
+			if (result != APR_SUCCESS)
+			{
+				ll_apr_warn_status(result);
+				LL_ERRS() << "Failed to delete thread local data" << LL_ENDL;
+			}
+		}
+	}
+}
+
+//static
+void LLThreadLocalPointerBase::initAllThreadLocalStorage()
+{
+	if (!sInitialized)
+	{
+		for (LLInstanceTracker<LLThreadLocalPointerBase>::instance_iter it = beginInstances(), end_it = endInstances();
+			it != end_it;
+			++it)
+		{
+			(*it).initStorage();
+		}
+		sInitialized = true;
+	}
+}
+
+//static
+void LLThreadLocalPointerBase::destroyAllThreadLocalStorage()
+{
+	if (sInitialized)
+	{
+		//for (LLInstanceTracker<LLThreadLocalPointerBase>::instance_iter it = beginInstances(), end_it = endInstances();
+		//	it != end_it;
+		//	++it)
+		//{
+		//	(*it).destroyStorage();
+		//}
+		sInitialized = false;
+	}
+}